﻿// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Copyright (c) 2011, Dr. Masroor Ehsan
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     * Redistributions in binary form must reproduce the above copyright
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//     * Neither the name of the author nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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using System;

namespace MaxTrader.Quotes
{
    /// <summary>
    ///   Basic intra-day quote
    /// </summary>
    public class IDQuote : IIDQuote
    {
        /// <summary>
        ///   Date-time must be in UTC
        /// </summary>
        public DateTime UtcTimeStamp { get; set; }

        /// <summary>
        ///   Last traded price
        /// </summary>
        public decimal Price { get; set; }

        /// <summary>
        ///   The cumulative volume for a given stock (till now)
        /// </summary>
        public int CumulativeVolume { get; set; }

        /// <summary>
        ///   The volume difference between this quote and the immediately previous quote.
        ///   If this is the first quote of the session then VolumeDifference is set to CumulativeVolume.
        /// </summary>
        public int VolumeDifference { get; set; }

        public ISnapshot Parent { get; private set; }

#if TRACK_TICK_SEQUENCE                
        public int SequenceNumber { get; set; }
#endif

        public IDQuote(ISnapshot parent)
        {
            Parent = parent;
        }

        public IDQuote(ISnapshot parent, IDQuote fromQuote)
            : this(parent)
        {
            UtcTimeStamp = fromQuote.UtcTimeStamp;
            Price = fromQuote.Price;
            CumulativeVolume = fromQuote.CumulativeVolume;
            VolumeDifference = fromQuote.VolumeDifference;
        }

        public DateTime LocalTime()
        {
            return UtcTimeStamp.ToLocalTime();
        }

        public DateTime RoundToMinuteUtc()
        {
            return
                DateTime.SpecifyKind(
                    new DateTime(UtcTimeStamp.Year, UtcTimeStamp.Month, UtcTimeStamp.Day, UtcTimeStamp.Hour,
                                 UtcTimeStamp.Minute, 0), DateTimeKind.Utc);
        }

        public DateTime RoundToMinuteLocal()
        {
            return
                DateTime.SpecifyKind(
                    new DateTime(UtcTimeStamp.Year, UtcTimeStamp.Month, UtcTimeStamp.Day, UtcTimeStamp.Hour,
                                 UtcTimeStamp.Minute, 0), DateTimeKind.Utc).ToLocalTime();
        }

        public void CloneFrom(IDQuote other)
        {
            Price = other.Price;
            CumulativeVolume = other.CumulativeVolume;
            VolumeDifference = 0;
        }

        public bool IsEmpty()
        {
            return (Price <= 0) && (CumulativeVolume <= 0);
        }

        public override string ToString()
        {
            return string.Format("{0,-20}\t{1:HH:mm:ss}\t{2,12:0,0.00}\t{3,12:0,0.00}\t{4,12:0,0.00}\t{5,12}\t{6,12}",
                                 Parent.Ticker,
                                 UtcTimeStamp,
                                 Price, Parent.High, Parent.Low,
                                 CumulativeVolume, VolumeDifference);
            /*
            return string.Format("S:{0,-20}\tTm:{1:HH:mm:ss}\tLtp:{2,-8}\tHi:{3,8}\tLo:{4,8}\tcV:{5,8}\tvD:{6,8}",
                      Parent.Ticker,
                      UtcTimeStamp,
                      Price, Parent.High, Parent.Low,
                      CumulativeVolume, VolumeDifference);
             */
        }
    }
}